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Technical Data Sheet
PartsTable / COMPONENT / N8211G6Y/MM-1 ITEM 8
N8211G6Y/MM-1 ITEM 8 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The N8211G6Y/MM-1 ITEM 8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-388-9858, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
N8211G6Y/MM-1 ITEM 8
NSN: 4820-00-388-9858
FSC: 4820
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)
SPECIFICATIONS
Part NumberN8211G6Y/MM-1 ITEM 8
NSN4820-00-388-9858
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N8211G6Y/MM-1 ITEM 8 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
PORT QUANTITY: 2
•
MATERIAL: STEEL COMP 316
•
PORT DIAMETER: 0.250 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
•
Generation 6 Platform
TECHNICAL CHARACTERISTICS (FLIS)
PORT QUANTITY2
MATERIALSTEEL COMP 316
PORT DIAMETER0.250 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
CX404UP10FT41NInterchangeable
interchangeable cross-reference
interchangeable
90-2002Interchangeable
interchangeable cross-reference
interchangeable
A6-4Interchangeable
interchangeable cross-reference
interchangeable
ST3M830-4Interchangeable
interchangeable cross-reference
interchangeable
SL3554-4Interchangeable
interchangeable cross-reference
interchangeable
5962-60-EMF-0082Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N8211G6Y/MM-1 ITEM 8?
N8211G6Y/MM-1 ITEM 8 is a N8211G6Y/MM-1 ITEM 8.
What parts can replace N8211G6Y/MM-1 ITEM 8?
There are 12 known substitutes for N8211G6Y/MM-1 ITEM 8: CX404UP10FT41N, 90-2002, A6-4 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N8211G6Y/MM-1 ITEM 8?
N8211G6Y/MM-1 ITEM 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-388-9858. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026